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2 years ago

Which statement best explains why the overall charge on an atom is zero?

Physics

2 answers:

garri49 [273]2 years ago

8 0

Answer:

idk what the statements are.... but I think I have an idea of what you're looking for...

~~~~The positive charge of protons in the nucleus equals the negative charge in the electron cloud ~~~~

Alexandra [31]2 years ago

8 0

Answer:

B. The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.

Explanation:

u>u don't question u>u

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3 years ago

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Karolina [17]

Answer:

11.0 kg m/s

Explanation:

The impulse exerted on the cart is equal to its change in momentum:

$I=\Delta p=m\Delta v$

where

m = 5.0 kg is the mass of the cart

$\Delta v=2.2 m/s$ is its change in speed

Substituting numbers into the equation, we find

$I=(5.0kg)(2.2 m/s)=11 kg m/s$

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3 years ago

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Answer:

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3 years ago

What is an electric load ?write with example

Ganezh [65]

Explanation:

an electrical load is the part of an electrical circuit in which current is transformed into something useful. examples include a lightbulb, a resistor and a motor. a load converts electricity into heat, light or motion. put another way, the part of a circuit that connects to a well-defined output terminal is considered an electrical load.

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3 years ago

If a spring is stretched 4m from its starting length when 20n of force is applied, then how much work (in joules) is done by the

lys-0071 [83]

ANSWER:

250 J

STEP-BY-STEP EXPLANATION:

F = 20N is required to stretch the spring by 4 meters

We know that the force is equal to: